### SAOImageDS9 Version 8.4 Release Notes

1. `02.22.2022 TCL/TK: upgrade to version 8.6.12`
2. `02.24.2022 WCS: fixed WCS save command to work when the wcs dialog is not displayed.`
3. `02.25.2022 WCS: fixed issue where displayed WCS was no updated when blocked.`
4. `03.01.2022 WCS: insert new lines in saved wcs files.`
5. `03.01.2022 GUI: set fonts after prefs, commandline, and backup restore processed.`
6. `03.01.2022 VIEW: fixed an issue in certain cases in vertial view mode where a large font size caused an window reconfigure event loop.`
7. `03.01.2022 BACKUP: fixed an issue where older backup scripts do not keep track of the number of frames created.`
8. `03.02.2022 BACKUP: preserve window size in backup file for version number 8.4 or greater. Older back files default to startup window size.`
9. `03.02.2022 MACOS: fixed a problem with mousewheel when cursor over colorbar.`
10. `03.04.2022 IRAF: fixed a problem with imexam and loading fits files (including mosaics) into ds9 directly.`
11. `03.09.2022 FITSY: rice axis size need not be integer multiple of tile size.`
12. `03.25.2022 3D: no graphics in magnifier.`
13. `04.01.2022 PRINT: removed default setting 'Screen' as it nolonger meaning full across platforms.`
14. `04.01.2022 SCALE: fixed a minor issue with scale dialog when max-min=0.`
15. `04.01.2022 1D: enable special case: NAXES=1, NAXIS1=n.`
16. `04.04.2022 3D: fixed an issue with reorder axes of data cube.`
17. `04.05.2022 SCALE: add dialog to enter scale mode value.`
18. `04.06.2022 ANALYSIS: add combobox parameter type.`
19. `04.06.2022 ANALYSIS: add $dir which is full path to the directory where the analysis file was found.`
20. `04.08.2022 RELEASE version 8.4b1`
21. `04.10.2022 AQUA: Tk Aqua has a bug. Avoid multiple "Configure" events.`
22. `04.22.2022 REGION: add median option to plot2d.`
23. `04.25.2022 REGION: add median option to plot3d.`
24. `04.28.2022 GRAPH: add median option.`
25. `04.28.2022 GUI: combine analysis:graph and analysis:graph parameters`
26. `04.29.2022 GRAPH: fixed a problem with the xaxis range of vertical graph.`
27. `05.03.2022 WCS: fixed an issue with aligning images where WCS defined has none square pixel size.`
28. `05.04.2022 GUI: add prefs for filename format in infobox.`
29. `05.25.2022 GRAPH: fixed a problem with log scale horz graph.`
30. `05.26.2022 TKLIB: add version .7 to support tooltips.`
31. `05.27.2022 AST: upgrade to version 9.2.8`
32. `06.03.2022 FADE: implemented fade frame function.`
33. `06.07.2022 SHM: fixed parser to accept -shm .`
34. `06.08.2022 FADE: implemented fade framergb function.`
35. `06.13.2022 MOVIE: add fade support for Frame movies.`
36. `06.26.2022 MACOS: fix Warp Cursor.`
37. `06.28.2022 MACOS: fix Warp To Cursor.`
38. `07.04.2022 REGION: add "-region select [first|last]" command.`
39. `07.04.2022 REGION: add "-region close" command.`
40. `07.04.2022 REGION: add "-region analysis task [open|close|save]" command.`
41. `07.14.2022 GUI: fix parser issue with NaN color "gray".`
42. `07.15.2022 HTTP: fix issue http 2.9.5, Topcat does not play well.`
43. `07.15.2022 SECURITY: pass pointers to memory between widgets via static memory location and not via parser.`
44. `08.04.2022 GUI: implemented Kenny G. new 'Advanced' layout.`
45. `08.05.2022 GUI: implemented 'Basic' layout.`
46. `08.09.2022 RELEASE version 8.4b2`
47. `08.22.2022 GUI: minor fix, zoom icon advanced layout.`
48. `10.06.2022 GUI: new Illustrate mode.`
49. `10.07.2022 FITSY: increase filename buffer size to 2048.`
50. `10.08.2022 ILLUSTRATION: add new Illustration mode.`
51. `10.16.2022 ILLUSTRATION: add IMAGE type graphic.`
52. `10.17.2022 COLORBAR: increate vertical colorbar number of chars from 6 to 9. (for scientific notation)`
53. `10.21.2022 SCALE: when LOCK or MATCH scale, be sure to update colorlevels in other frames.`
54. `10.25.2022 PLOT: fix catalog plot click and hightlite.`
55. `10.28.2022 RELEASE version 8.4rc`
56. `12.15.2022 RELEASE version 8.4`